Add eff_config functionality needed for RIT, fix cas_latency bug & at…

…tr files

Change-Id: I508ea4b156ff26ff7c652e28510a535b90030434
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/23796
Reviewed-by: STEPHEN GLANCY <[email protected]>
Tested-by: Jenkins Server
Reviewed-by: Brian R. Silver <[email protected]>
Tested-by: Hostboot CI
Reviewed-by: Jennifer A. Stofer <[email protected]>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/69766
Reviewed-by: Sachin Gupta <[email protected]>
Tested-by: Sachin Gupta <[email protected]>